Human Digestive System
(1) Match the words provided to the letters in the diagram of the digestive system. Put your answer
in the table:
Liver
Stomach
Salivary glands
Pancreas
Oesophagus
Gall Bladder Small intestines
Large intestines
Letter
Rectum
Mouth
Part of Digestive System
A
B
C
D
E
F
G
H
I
J
(2) Which of the following gives the correct order for food as it passes through the organs of the
digestive system?
a. Mouth, oesophagus, stomach, gall bladder, pancreas, large intestines, small intestines
b. Oesophagus, epiglottis, stomach, liver, small intestines, large intestines, anus
c. Mouth oesophagus, stomach, small intestines, large intestines, anus
d. Mouth, liver, gall bladder, stomach, large intestines, small intestines, anus.
(3) Which part of the digestive system is
responsible for absorbing water:
a. Small intestines
b. Large intestines
c. Kidneys
d. Stomach
(4) Which part of the digestive system
contains Hydrochloric acid and is coated
with mucus for its protection:
a. Rectum
b. Small intestines
c. Stomach
d. Oesophagus
(5) Which part of the following is the section
of the digestive system where most
enzymes are added?
a. Large intestines
b. Mouth
c. Stomach
d. Small intestines
(7) Bile is made in the liver and released into
the small intestine. Its job is to break
down __________?
a. Nutrients
b. Fats
c. Proteins
d. Water
(6) Bile is made in ________?
a. Liver
b. Stomach
c. Gall bladder
d. Small intestines
(8) The oesophagus connects the mouth to
the _________?
a. Mouth
b. Small intestines
c. Liver
d. Stomach
(9) Which of the following are NOT a part of
the digestive system?
a. Oesophagus
b. Kidneys
c. Anus
d. Liver
(10) Where is solid waste (poop) stored?
a. Anus
b. Rectum
c. Large intestines
d. Stomach
(11) Villi are found in what part of the
digestive system?
a. Mouth
b. Stomach
c. Large intestines
d. Small intestines
(12) Diarrhoea is when the __________ do
not absorb water?
a. Rectum
b. Anus
c. Stomach
d. Large intestines
(13) Which of the following best describes
the role of the oesophagus in the digestive
system:
a. Mucus is secreted to protect
stomach
b. Sends food from mouth the stomach
c. Helps absorb nutrients
d. Breaks down food to be absorbed
into bloodstream
(15) Which of the following organs help
break down food in the small intestines:
a. Liver, kidneys, stomach
b. Mouth, oesophagus, stomach
c. Liver, pancreas, gall bladder
d. Stomach, small intestines
(14) The main function of the stomach is
to:
a. Store food
b. Produce hydrochloric acid
c. Break down food
d. All of the above
(16) The “tentacle” like structure along the
small intestines are called ____________:
a. Capillaries
b. Bile
c. Liver
d. Villi
(17) The main function of the small
intestines is to:
a. Extract and absorb nutrients
b. Kill bacteria
c. Excrete solid waste
d. Releases enzymes to break down
food
(18) Digestion beings in the mouth. Which
of
the
following
statement
is
INCORRECT?
a. The tongue helps absorb nutrients
b. The saliva helps break down food
c. The tongue keeps food in place in
the mouth while the food is being
chewed
d. Teeth help chew food into smaller
pieces
(19) Complete the cloze passage about the digestive system, with the words in the box below.
Mouth
nutrients
absorb
Anus
filters
Rectum
oesophagus
enzymes
liver
bile
hydrochloric gall
mucus
Saliva
villi
stomach
Large intestines
water
small intestines
The human digestive system is a group of organs that break down food, absorb ____________ and remove
unused waste out of the body. Digestion begins in the ______________, where _____________ starts to
break food down. Chewed food then travels down the _______________ into the stomach. The
_____________ produces ___________________ acid to help break down food. Hydrochloric acid is
dangerous, as it can burn the stomach. To prevent this, the stomach is coated in a slimy substance called
______________. From the stomach, liquid food travels to the _________________where it is absorbed
through “tentacles” called ____________. The pancreas, _______________ and ________________ bladder
release juices called ________________ and _____________ to help absorb nutrients in the small intestines.
Nutrients absorbed from the small intestines are sent to the liver where it ____________ toxins and turns it
into waste. The left over liquid food is sent to the ____________________. It is the last chance for the body
to absorb _____________ and nutrients before it is stored in the ___________ as poop. When we go to the
bathroom, poop exits our body from the _______________.